6241A/6242 DC Voltage Current Source/Monitor Operation Manual
8.2.5 Calibrating Operation
8-28
8.2.5.6 Current-measurement Calibration (30 µA to 300 mA)
1. Using XIM, change the mode to current measurement calibration mode.
2. Select the range.
30 μA range: XR-1
300 μA range: XR0
3 mA range: XR1
30 mA range: XR2
300 mA range : XR3
3. Perform the same procedure as described in Section 8.2.5.3,
“Voltage-measurement Calibration.”
8.2.5.7 Current-measurement Calibration (3 A, 5 A)
1. For this calibration range, connect the instrument as shown in Figure 8-7, “6242
Connections for Calibration (c)” and set the DMM measurement function to
DCV.
2. Using XIM, change the mode to the current measurement mode.
3. Select the range.
3 A: XR4
5 A: XR5
4. Using XDAT, set the DMM data input mode.
5. Determine the DMM read value using following expression.
data = DMM read value [V] / standard resistance [Ω]
6. Set the calculated value using XD data.
7. Read out and verify the measurement data.
8. Select XNXT to proceed to the full-scale calibration mode.
9. Determine the DMM read value using following expression.
data = DMM read value [V] / standard resistance [Ω]
10. Set the calculated value using XD data.
11. Read out and verify the measurement data.
12. Proceed to the next step.
When the current range is changed: XNXT
When the operation proceeds to voltage-source and
current-limiter calibration process: XVS, XILH, XILL
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